Prosecution Insights
Last updated: April 19, 2026
Application No. 18/570,176

FILTER STRUCTURE

Non-Final OA §102§112
Filed
Dec 14, 2023
Examiner
CLEMENTE, ROBERT ARTHUR
Art Unit
1773
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Toyo Aluminium Ekco Products Co. Ltd.
OA Round
1 (Non-Final)
81%
Grant Probability
Favorable
1-2
OA Rounds
2y 7m
To Grant
88%
With Interview

Examiner Intelligence

Grants 81% — above average
81%
Career Allow Rate
1064 granted / 1314 resolved
+16.0% vs TC avg
Moderate +7% lift
Without
With
+6.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
35 currently pending
Career history
1349
Total Applications
across all art units

Statute-Specific Performance

§101
0.8%
-39.2% vs TC avg
§103
38.4%
-1.6% vs TC avg
§102
31.0%
-9.0% vs TC avg
§112
17.9%
-22.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1314 resolved cases

Office Action

§102 §112
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claim 2 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Regarding claim 2, the phrase "such as" renders the claim indefinite because it is unclear whether the limitations following the phrase are part of the claimed invention. See MPEP § 2173.05(d). Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1 – 4 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by US Patent No. 5,912,369 to Reeves (hereinafter referred to as Reeves). In regard to claim 1, as shown in figure 1, Reeves discloses a filter structure (10) having a filter layer (12) that has air permeability to filter passing gas. An adhesive layer (28) is formed of an adhesive on at least a part of one side of the filter layer (12). The template (14) forms a peelable sheet layer laminated on a surface of the adhesive layer (28). The template (14) can be considered to define to-be-cut regions set on the filter layer with the lines (18, 20, 22, 24) forming boundary portions that can indicate a boundary position between the to-be-cut region and a non-cut region of the filter layer (12). It is further noted that the to-be-cut region and the boundary region relate to the method of using the filter structure. Even without the lines on the template, the filter structure of Reeves would be considered to have all of the required structure of the present application as a user could still cut of a region of the filter layer when using it. The to-be-cut region and boundary region as arbitrary regions defined by a user when cutting the filter layer. In regard to claim 2, as discussed above, the lines (18, 20, 22, 24) on the template (14), or peelable sheet layer, can form the boundary portion and are visual indications. In regard to claims 3 and 4, the filter layer (12) has a square shape, which is a rectangular form. The lines “22” can be considered to form the boundary region, in which case the to-be-cut region can be set in at least one corner of the filter layer (12). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Other prior art references listed on the PTO-892 (Notice of References Cited) are considered to be of interest disclosing similar filter structures with adhesive layers. Any inquiry concerning this communication or earlier communications from the examiner should be directed to Robert Clemente whose telephone number is (571)272-1476. The examiner can normally be reached M-F 9-5. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Benjamin Lebron can be reached at 571-272-0475. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /ROBERT CLEMENTE/Primary Examiner, Art Unit 1773
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Prosecution Timeline

Dec 14, 2023
Application Filed
Dec 22, 2025
Non-Final Rejection — §102, §112
Apr 04, 2026
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12597617
FUEL CELL MEMBRANE HUMIDIFIER
2y 5m to grant Granted Apr 07, 2026
Patent 12589333
DEGASSER WITH TWO WEAKLY COUPLED SPACES AND/OR WITH A RESTRICTION ADJUSTMENT DEVICE
2y 5m to grant Granted Mar 31, 2026
Patent 12589178
AIR STERILISATION APPARATUS
2y 5m to grant Granted Mar 31, 2026
Patent 12582942
GAS PROCESSING APPARATUS AND SUBSTRATE PROCESSING APPARATUS
2y 5m to grant Granted Mar 24, 2026
Patent 12582932
Air Purifier
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
81%
Grant Probability
88%
With Interview (+6.8%)
2y 7m
Median Time to Grant
Low
PTA Risk
Based on 1314 resolved cases by this examiner. Grant probability derived from career allow rate.

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